New 10X Hexagonal Eye Loupe. This is a new 10X hexagonal loupe. It is made of optical glass with a swing-away chrome plated case. The shape allows it to rest comfortably in the eye socket. This has become the standard style of loupe used in the watch making industry and is excellent for any application where magnification is needed. In terms of performance, it is second to none. The lens has a 20.5 mm diameter. It has a focal distance of 1" (25 mm).